4201996840

素因数分解:

$2^3\times 5^1\times {\mathrm{2917}}^1\times {\mathrm{36013}}^1$

素因数の和:38941

約数の個数: 32

約数和(自身を含む): 9457996680

約数和(自身を除く): 5255999840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2917, 5834, 11668, 14585, 23336, 29170, 36013, 58340, 72026, 116680, 144052, 180065, 288104, 360130, 720260, 1440520, 105049921, 210099842, 420199684, 525249605, 840399368, 1050499210, 2100998420, 4201996840]

約数ペア:

[(1, 4201996840), (2, 2100998420), (4, 1050499210), (5, 840399368), (8, 525249605), (10, 420199684), (20, 210099842), (40, 105049921), (2917, 1440520), (5834, 720260), (11668, 360130), (14585, 288104), (23336, 180065), (29170, 144052), (36013, 116680), (58340, 72026)]